From 6b2bf30b0587d168d74af22d5efab96a78d7fdc3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BD=D1=82=D0=BE=D0=BD?= <a.sysoev@b2b-center.ru>
Date: Sat, 6 Apr 2024 10:25:40 +0300
Subject: [PATCH] shutdown socket(client)

---
 boost_boilerplate/CMakeLists.txt              | 10 ++++
 .../shutdown_and_close_socket.cpp             | 53 +++++++++++++++++++
 .../shutdown_and_close_socket_server.cpp      | 14 +++++
 3 files changed, 77 insertions(+)
 create mode 100644 boost_boilerplate/src/chapter02_io/shutdown_and_close_socket.cpp
 create mode 100644 boost_boilerplate/src/chapter02_io/shutdown_and_close_socket_server.cpp

diff --git a/boost_boilerplate/CMakeLists.txt b/boost_boilerplate/CMakeLists.txt
index 88d108c..b5145dc 100644
--- a/boost_boilerplate/CMakeLists.txt
+++ b/boost_boilerplate/CMakeLists.txt
@@ -98,3 +98,13 @@ add_executable(cancel_async_operations
   src/chapter02_io/cancel_async_operations.cpp
   src/sdk.h)
 target_link_libraries(cancel_async_operations PRIVATE Threads::Threads)
+
+add_executable(shutdown_and_close_socket
+  src/chapter02_io/shutdown_and_close_socket.cpp
+  src/sdk.h)
+target_link_libraries(shutdown_and_close_socket PRIVATE Threads::Threads)
+
+add_executable(shutdown_and_close_socket_server
+  src/chapter02_io/shutdown_and_close_socket_server.cpp
+  src/sdk.h)
+target_link_libraries(shutdown_and_close_socket_server PRIVATE Threads::Threads)
diff --git a/boost_boilerplate/src/chapter02_io/shutdown_and_close_socket.cpp b/boost_boilerplate/src/chapter02_io/shutdown_and_close_socket.cpp
new file mode 100644
index 0000000..d71d32a
--- /dev/null
+++ b/boost_boilerplate/src/chapter02_io/shutdown_and_close_socket.cpp
@@ -0,0 +1,53 @@
+#include <boost/asio.hpp>
+#include <iostream>
+#include <string>
+#include <thread>
+
+using namespace boost;
+namespace net = boost::asio;
+namespace sys = boost::system;
+using namespace std;
+
+void Communicate(net::ip::tcp::socket& sock)
+{
+  const char request_buf[] {0x48, 0x65, 0x6c, 0x6c, 0x6f};
+
+  net::write(sock, net::buffer(request_buf));
+  sock.shutdown(net::socket_base::shutdown_send);
+
+  net::streambuf response_buf;
+  sys::error_code ec;
+  net::read(sock, response_buf, ec);
+
+  if (ec == net::error::eof)
+  {
+    cout << "OK! End of file!"s << endl;
+  }
+  else
+  {
+    throw sys::system_error(ec);
+  }
+}
+
+int main()
+{
+  string raw_ip_address = "127.0.0.1";
+  const uint16_t port_num = 3333;
+
+  try
+  {
+    net::ip::tcp::endpoint ep(net::ip::address::from_string(raw_ip_address), port_num);
+    net::io_context ios;
+
+    auto sock = make_shared<net::ip::tcp::socket>(ios, ep.protocol());
+
+    sock->connect(ep);
+    Communicate(*sock);
+  }
+  catch (const sys::system_error& err)
+  {
+    cout << "Error!" << err.what() << endl;
+  }
+
+  return EXIT_SUCCESS;
+}
diff --git a/boost_boilerplate/src/chapter02_io/shutdown_and_close_socket_server.cpp b/boost_boilerplate/src/chapter02_io/shutdown_and_close_socket_server.cpp
new file mode 100644
index 0000000..dd9d944
--- /dev/null
+++ b/boost_boilerplate/src/chapter02_io/shutdown_and_close_socket_server.cpp
@@ -0,0 +1,14 @@
+#include <boost/asio.hpp>
+#include <iostream>
+#include <string>
+#include <thread>
+
+using namespace boost;
+namespace net = boost::asio;
+namespace sys = boost::system;
+using namespace std;
+
+int main()
+{
+
+}